Formosa weather by month

Warmest month

October

30°C average high

Coolest month

July

12°C average low

Wettest month

November

86 mm of rain

Driest month

July

7 mm of rain

Average temperature and rainfall in Formosa by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

Month	Avg high	Avg low	Record low / high	Rainfall	Humidity	Wind
January	27°C	18°C	16°C / 32°C	82 mm	76%	9 km/h
February	28°C	18°C	13°C / 31°C	74 mm	74%	9 km/h
March	28°C	19°C	15°C / 31°C	60 mm	75%	10 km/h
April	28°C	18°C	14°C / 31°C	43 mm	74%	10 km/h
May	27°C	15°C	10°C / 30°C	22 mm	69%	10 km/h
June	26°C	14°C	8°C / 30°C	14 mm	66%	11 km/h
July	26°C	12°C	8°C / 29°C	7 mm	57%	11 km/h
August	28°C	14°C	8°C / 32°C	7 mm	48%	11 km/h
September	30°C	17°C	10°C / 35°C	14 mm	49%	11 km/h
October	30°C	19°C	14°C / 37°C	52 mm	58%	11 km/h
November	28°C	18°C	14°C / 35°C	86 mm	75%	10 km/h
December	28°C	19°C	16°C / 32°C	74 mm	74%	10 km/h

Frost and snow-likely months in Formosa

No month in Formosa averages a night of 2°C or below. The coldest month is July with an average low of 12°C and a record low of 8°C, so frost is rare and snow is very unlikely.

These records carry temperature and precipitation, not snowfall totals.

Best time to visit Formosa

The most comfortable time to visit Formosa is generally May to July, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around November, totalling about 537 mm a year.

Travellers who prefer heat should aim for October, when highs average 30°C. November is the month to avoid if rain would spoil your plans — it averages 86 mm, roughly 12× the rainfall of the driest month (July).

Formosa climate: your questions

Does it snow in Formosa?

No: the coldest month in Formosa is July with an average low of 12°C and a record low of 8°C, so snow is very unlikely. What is falling now: Formosa weather today.

Which months are best for visiting Formosa?

May to July are the most comfortable months in Formosa, with highs near 26°C. October is the warmest month, averaging 30°C by day; November is the wettest, with 86 mm; and July is the coolest, with lows near 12°C. What it is doing today: Formosa weather today.

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Formosa forecast for what is happening now.